Home / 1,055,247,080.82-1,582,884,091.78-278,886,033.94

Finding the Fourth Proportional to 1,055,247,080.82, 1,582,884,091.78 and 278,886,033.94

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Solution

The fourth proportional to 1,055,247,080.82, 1,582,884,091.78 and 278,886,033.94 is: 418,332,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,080.82 : 1,582,884,091.78 = 278,886,033.94 : x
  2. Step 2: Convert to fraction form
    1,055,247,080.82/1,582,884,091.78 = 278,886,033.94/x
  3. Step 3: Cross multiply
    1,055,247,080.82x = 1,582,884,091.78 × 278,886,033.94
  4. Step 4: Simplify right side
    1,055,247,080.82x = 441,444,266,543,243,136
  5. Step 5: Solve for x
    x = 441,444,266,543,243,136/1,055,247,080.82
  6. Step 6: Final answer
    x = 418,332,610.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.